ArticleNature communications2023
Mesophotic coral bleaching associated with changes in thermocline depth.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Deeper Caribbean reef fish communities show greater taxonomic and functional change in dominance structure over a nine-year period.Coral reefs (Online) · 2026Article
- Vulnerability of tropical fish communities across depth in the central Indian Ocean.Conservation biology : the journal of the Society for Conservation Biology · 2025Article
- Quantifying coral reef-ocean interactions is critical for predicting reef futures under climate change.Nature ecology & evolution · 2025Article
- Cryptobenthic crab assemblages are more distinct across a 90 m depth gradient than 2500 km of shallow marine habitat in the Hawaiian archipelago.Scientific reports · 2025Article
- Mesophotic reefs offer thermal refuge to the 2023 Caribbean mass bleaching event in the Cayman Islands.Scientific reports · 2025Article
- Predicting the Distribution of Mesophotic Coral Ecosystems in the Chagos Archipelago.Ecology and evolution · 2025Article
- Marked spatial heterogeneity of macro-benthic communities along a shallow-mesophotic depth gradient in Reunion Island.Scientific reports · 2024Article
- Climate change impacts on mesophotic regions of the Great Barrier Reef.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Depth variation in benthic community response to repeated marine heatwaves on remote Central Indian Ocean reefs.Royal Society open science · 2024Article
- An underwater imagery identification guide for shallow, mesophotic and deep-sea benthos in Maldives.Biodiversity data journal · 2024Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
As global temperatures continue to rise, shallow coral reef bleaching has become more intense and widespread. Mesophotic coral ecosystems reside in deeper (30-150 m), cooler water and were thought to offer a refuge to shallow-water reefs. Studies now show that mesophotic coral ecosystems instead have limited connectivity with shallow corals but host diverse endemic communities. Given their extensive distribution and high biodiversity, understanding their susceptibility to warming oceans is imperative. In this multidisciplinary study of an atoll in the Chagos Archipelago in the central Indian Ocean, we show evidence of coral bleaching at 90 m, despite the absence of shallow-water bleaching. We also show that the bleaching was associated with sustained thermocline deepening driven by the Indian Ocean Dipole, which might be further enhanced by internal waves whose influence varied at a sub-atoll scale. Our results demonstrate the potential vulnerability of mesophotic coral ecosystems to thermal stress and highlight the need for oceanographic knowledge to predict bleaching susceptibility and heterogeneity.
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